Mq2 Gas Sensor Detector Module variable power supply There are LED lights in

There are LED lights in the selfie ring light

Large Opening: Convenient for easy filling

Use for OnePro/MiniPro/DreamPro programmer

Acting Motion  : Direct action

Mq2 Gas Sensor Detector Module variable power supply There are LED lights inMQ2 MQ 2 MQ 2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module Smoke LPG Butane Hydrogen Gas Sensor Detector Module is useful for gas leakage detection (home and industry). It is suitable for detecting H2, LPG, CH4, CO, Alcohol, Smoke or Propane. Due to its high sensitivity and fast response time, measurement can be taken as soon as possible. The sensitivity of the sensor can be adjusted by potentiometer. MQ 2 gas sensor using gas sensitive